Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Para qual causa é a disciplina do Touring Car Racing?
 ###Tabelas: CREATE TABLE public_universities (public_universities_id AUTO_INCREMENT PRIMARY KEY, University VARCHAR, Nick VARCHAR, University status INT, Founded INT, Location VARCHAR, Division VARCHAR, Specialization VARCHAR, Website VARCHAR) CREATE TABLE details_of_participants (details_of_participants_id AUTO_INCREMENT PRIMARY KEY, Clubs VARCHAR, Seasons at this level VARCHAR, Settlements VARCHAR, Season joined league VARCHAR, Position in 1959–1960 VARCHAR) CREATE TABLE pennsylvania (pennsylvania_id AUTO_INCREMENT PRIMARY KEY, District VARCHAR, Incumbent VARCHAR, Party VARCHAR, First elected INT, Status VARCHAR, Opponent VARCHAR) CREATE TABLE y (y_id AUTO_INCREMENT PRIMARY KEY, Discipline VARCHAR, Circuit VARCHAR, Event VARCHAR, Session VARCHAR, Cause VARCHAR) CREATE TABLE arab_violence (arab_violence_id AUTO_INCREMENT PRIMARY KEY, Conflicts prior to Israel's independence VARCHAR, Military deaths VARCHAR, Civilian deaths VARCHAR, Total deaths VARCHAR, Military and/or Civilian wounded VARCHAR, Total casualties VARCHAR)  
SELECT Cause FROM y WHERE Discipline = touring car racing